13455194990 has 16 divisors (see below), whose sum is σ = 24325116480. Its totient is φ = 5358574560.

The previous prime is 13455194981. The next prime is 13455195001. The reversal of 13455194990 is 9949155431.

It is a super-2 number, since 2×13455194990² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2935526 + ... + 2940105.

It is an arithmetic number, because the mean of its divisors is an integer number (1520319780).

Almost surely, 2^13455194990 is an apocalyptic number.

13455194990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13455194990 is a deficient number, since it is larger than the sum of its proper divisors (10869921490).

13455194990 is a wasteful number, since it uses less digits than its factorization.

13455194990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875867.

The product of its (nonzero) digits is 874800, while the sum is 50.

The spelling of 13455194990 in words is "thirteen billion, four hundred fifty-five million, one hundred ninety-four thousand, nine hundred ninety".